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This undated photo provided by Orin McMonigle shows pet cockroaches that are live bearing (do not lay eggs) such as these roly poly cockroaches from Japan seen protecting their young. McMonigle says that if pet roaches were to escape, the only danger would be to the insects themselves. They can't survive in the typical home, where the temperature and humidity are unsuitable and they can't find food. (AP Photo/Orin McMonigle)

This undated photo provided by Orin McMonigle shows pet cockroaches that are live bearing (do not lay eggs) such as these roly poly cockroaches from Japan seen protecting their young. McMonigle says that if pet roaches were to escape, the only danger would be to the insects themselves. They can't survive in the typical home, where the temperature and humidity are unsuitable and they can't find food. (AP Photo/Orin McMonigle)